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          首頁(yè) >MAX1644>規(guī)格書(shū)列表

          型號(hào)下載 訂購(gòu)功能描述制造商 上傳企業(yè)LOGO

          MAX1644

          Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting

          General Description The MAX1644 constant-off-time, PWM step-down DC-DC converter is ideal for use in applications such as PC cards, CPU daughter cards, and desktop computer bus-termination boards. The device features internal synchronous rectification for high efficiency and reduced component cou

          文件:183.5 Kbytes 頁(yè)數(shù):32 Pages

          MAXIM

          美信

          MAX1644

          2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

          文件:170.91 Kbytes 頁(yè)數(shù):11 Pages

          MAXIM

          美信

          MAX1644

          2A、低電壓、降壓型穩(wěn)壓器,內(nèi)置同步整流與開(kāi)關(guān)

          MAX1644恒定關(guān)斷時(shí)間、PWM降壓型DC-DC轉(zhuǎn)換器非常適合PC卡、CPU子卡和臺(tái)式計(jì)算機(jī)總線終端板等應(yīng)用。該器件具有內(nèi)部同步整流功能,可實(shí)現(xiàn)高效率并減少元件數(shù)量。它不需要外部肖特基二極管。內(nèi)部0.10Ω PMOS電源開(kāi)關(guān)和0.10Ω NMOS同步整流器開(kāi)關(guān)可輕松提供高達(dá)2A的連續(xù)負(fù)載電流。MAX1644提供+3.3V或+2.5V預(yù)設(shè)輸出電壓或+1.1V至VIN可調(diào)輸出電壓。效率高達(dá)95%。\n\n MAX1644采用專(zhuān)門(mén)的電流模式、恒定關(guān)斷時(shí)間、PWM控制方案,借助Idle Mode?技術(shù),可在輕負(fù)載工作條件下保持高效率。該器件采用可編程恒定關(guān)斷時(shí)間架構(gòu),開(kāi)關(guān)頻率可設(shè)置 ? ±1%輸出精度\n\n? 95%效率\n\n? 內(nèi)部PMOS和NMOS開(kāi)關(guān)\n? VIN = +4.5V 時(shí),導(dǎo)通電阻為70mΩ\n\n? VIN = +3V時(shí),導(dǎo)通電阻為100mΩ\n\n\n\n\n? 輸出電壓\n? +3.3V或+2.5V引腳可選\n\n? +1.1V至VIN可調(diào)\n\n\n\n\n? 輸入電壓范圍:+3V至+5.5V\n\n? 工作電源電流:360μA(最大值)\n\n? 關(guān)斷電源電流:< 1μA\n\n? 可編程恒定關(guān)斷時(shí)間操作\n\n? 開(kāi)關(guān)頻率:350kHz(最大值)\n\n? 輕負(fù)載時(shí)進(jìn)入空閑模式\n\n? 熱關(guān)斷\n\n? 可調(diào)軟啟動(dòng)沖擊限;

          ADI

          亞德諾

          MAX1644EAE

          PLASTIC ENCAPSULATED DEVICES

          General Description The MAX1644 constant-off-time, PWM step-down DC-DC converter is ideal for use in applications such as PC cards, CPU daughter cards, and desktop computer bus-termination boards. The device features internal synchronous rectification for high efficiency and reduced component cou

          文件:137.65 Kbytes 頁(yè)數(shù):8 Pages

          MAXIM

          美信

          MAX1644_V01

          2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

          文件:170.91 Kbytes 頁(yè)數(shù):11 Pages

          MAXIM

          美信

          MAX1644EAE

          2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

          文件:170.91 Kbytes 頁(yè)數(shù):11 Pages

          MAXIM

          美信

          MAX1644EAE+

          2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

          文件:170.91 Kbytes 頁(yè)數(shù):11 Pages

          MAXIM

          美信

          MAX1644EAE-T

          2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

          文件:170.91 Kbytes 頁(yè)數(shù):11 Pages

          MAXIM

          美信

          MAX1644EAE

          Package:16-SSOP(0.209",5.30mm 寬);包裝:卷帶(TR) 功能:降壓 類(lèi)別:集成電路(IC) 穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP

          AD

          亞德諾

          MAX1644EAE+

          Package:16-SSOP(0.209",5.30mm 寬);包裝:管件 功能:降壓 類(lèi)別:集成電路(IC) 穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器 描述:IC REG BUCK ADJ/PROG 2A 16SSOP

          AD

          亞德諾

          技術(shù)參數(shù)

          • VIN (max)(V):

            5.5

          • VOUT1 (min)(V):

            1.1

          • VOUT1 (max)(V):

            5.5

          • IOUT1 (max)(A):

            2

          • Switch Type:

            Internal

          • Preset VOUT(V):

            2.5

          • Output Adjust. Method:

            Preset

          • VOUT1 Tolerance(±%):

            1

          • Synchronous Switching:

            Yes

          • ICC (max)(mA):

            0.36

          • # DC-DC Outputs:

            1

          • Switching Frequency(kHz):

            350

          • Features:

            Adjustable Freq.

          • EV Kit Available:

            Yes

          • Oper. Temp.(°C):

            -40 to +85

          • Package/ Pins:

            SSOP/16

          • Smallest Available Pckg. (max w/pins)(mm2):

            50

          • RoHS Available:

            Yes

          • Budgetary Price (See Notes):

            $4.42 @1k

          供應(yīng)商型號(hào)品牌批號(hào)封裝庫(kù)存備注價(jià)格
          MAXIM
          2015+
          SOP
          5700
          進(jìn)口原裝正品 能17%開(kāi)增值發(fā)票
          詢(xún)價(jià)
          MAXIM
          23+
          SSOP16
          7000
          絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)!
          詢(xún)價(jià)
          美信
          24+
          SOP-16
          89
          詢(xún)價(jià)
          MAXIM
          24+
          SSOP16
          6980
          原裝現(xiàn)貨,可開(kāi)13%稅票
          詢(xún)價(jià)
          MAXIM
          24+
          ssop-16
          4652
          公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫(kù)存!
          詢(xún)價(jià)
          MAXIM
          25+
          SSOP
          4500
          百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可
          詢(xún)價(jià)
          MAXIM
          25+
          SSOP16
          4500
          全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷(xiāo)售!
          詢(xún)價(jià)
          MAXIM
          SOP
          3350
          一級(jí)代理 原裝正品假一罰十價(jià)格優(yōu)勢(shì)長(zhǎng)期供貨
          詢(xún)價(jià)
          MAXIM
          23+
          SOP
          1800
          十七年VIP會(huì)員,誠(chéng)信經(jīng)營(yíng),一手貨源,原裝正品可零售!
          詢(xún)價(jià)
          MAXIM
          24+
          SSOP
          25000
          特價(jià)特價(jià)100原裝長(zhǎng)期供貨.
          詢(xún)價(jià)
          更多MAX1644供應(yīng)商 更新時(shí)間2026-1-20 15:02:00
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